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All results from a given calculation for CH3OCH2 (methoxymethyl radical)

using model chemistry: ROHF/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at ROHF/cc-pVTZ
 hartrees
Energy at 0K-153.499849
Energy at 298.15K-153.504946
HF Energy-153.499849
Nuclear repulsion energy78.123473
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at ROHF/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3371 3038 24.40      
2 A 3261 2938 37.32      
3 A 3232 2912 33.11      
4 A 3199 2882 64.21      
5 A 3146 2834 57.43      
6 A 1627 1466 5.87      
7 A 1625 1465 8.23      
8 A 1616 1456 5.44      
9 A 1581 1424 9.18      
10 A 1389 1252 171.52      
11 A 1366 1231 87.99      
12 A 1284 1157 4.25      
13 A 1226 1105 17.26      
14 A 1054 950 34.22      
15 A 777 700 26.41      
16 A 453 408 3.85      
17 A 281 253 9.64      
18 A 179 161 1.67      

Unscaled Zero Point Vibrational Energy (zpe) 15333.6 cm-1
Scaled (by 0.901) Zero Point Vibrational Energy (zpe) 13815.6 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at ROHF/cc-pVTZ
ABC
1.64154 0.36058 0.31501

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.085 -0.527 -0.052
C2 -1.127 0.164 0.019
C3 1.195 0.221 0.080
H4 -1.918 -0.552 -0.141
H5 -1.256 0.628 0.991
H6 -1.183 0.931 -0.749
H7 2.105 -0.341 -0.001
H8 1.162 1.236 -0.279

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.39681.34452.00512.05382.05392.02852.0776
C21.39682.32331.07931.08461.08593.27052.5443
C31.34452.32333.21502.64642.61651.07181.0772
H42.00511.07933.21501.76381.76314.03033.5636
H52.05381.08462.64641.76381.76693.63532.7978
H62.05391.08592.61651.76311.76693.60332.4106
H72.02853.27051.07184.03033.63533.60331.8577
H82.07762.54431.07723.56362.79782.41061.8577

picture of methoxymethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 H4 107.456 O1 C2 H5 111.097
O1 C2 H6 111.018 O1 C3 H7 113.707
O1 C3 H8 117.744 C2 O1 C3 115.873
H4 C2 H5 109.201 H4 C2 H6 109.034
H5 C2 H6 108.988 H7 C3 H8 119.640
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.283      
2 C -0.046      
3 C -0.118      
4 H 0.106      
5 H 0.069      
6 H 0.064      
7 H 0.123      
8 H 0.086      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.610 1.114 -0.245 1.294
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.580 -0.092 -0.452
y -0.092 -19.781 -0.423
z -0.452 -0.423 -20.257
Traceless
 xyz
x 3.439 -0.092 -0.452
y -0.092 -1.363 -0.423
z -0.452 -0.423 -2.077
Polar
3z2-r2-4.153
x2-y23.201
xy-0.092
xz-0.452
yz-0.423


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 48.048
(<r2>)1/2 6.932